potash

Long-term fall in phosphate use raises concerns

The development of soil-release agents and protected forms of phosphate means growers can meet crop needs without having to apply large quantities of TSP, SSP or rock phosphate. Disincentivised by higher prices for phosphate (P) fertiliser Britain’s growers have gradually reduced application rates to the extent that many soils now contain worryingly low levels of …

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Soil-Centred Worcestershire Sustainability Drive

Home-made compost, massively reduced tillage and determined cover cropping have been central to the single-minded drive to improve the arable sustainability of the Green Horizons Network farm at Salford Lodge, Pitchill just outside Evesham over the past decade. A combination of challenging silty clay land contract-farmed with heavy kit for many years and lighter sandy …

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